Home / 764,456.77-1,146,692.09-231,977.82

Finding the Fourth Proportional to 764,456.77, 1,146,692.09 and 231,977.82

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Solution

The fourth proportional to 764,456.77, 1,146,692.09 and 231,977.82 is: 347,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,456.77 : 1,146,692.09 = 231,977.82 : x
  2. Step 2: Convert to fraction form
    764,456.77/1,146,692.09 = 231,977.82/x
  3. Step 3: Cross multiply
    764,456.77x = 1,146,692.09 × 231,977.82
  4. Step 4: Simplify right side
    764,456.77x = 266,007,131,249.44
  5. Step 5: Solve for x
    x = 266,007,131,249.44/764,456.77
  6. Step 6: Final answer
    x = 347,968.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.